Home / 55,144.20-76,096.80-29,993.76

Finding the Fourth Proportional to 55,144.20, 76,096.80 and 29,993.76

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Solution

The fourth proportional to 55,144.20, 76,096.80 and 29,993.76 is: 41,390.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,144.20 : 76,096.80 = 29,993.76 : x
  2. Step 2: Convert to fraction form
    55,144.20/76,096.80 = 29,993.76/x
  3. Step 3: Cross multiply
    55,144.20x = 76,096.80 × 29,993.76
  4. Step 4: Simplify right side
    55,144.20x = 2,282,429,155.97
  5. Step 5: Solve for x
    x = 2,282,429,155.97/55,144.20
  6. Step 6: Final answer
    x = 41,390.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.